SUMMARY When I try to start a Wayland session with nvidia card and proprietary driver, the system shows only a black screen and the mouse pointer. $ nvidia-smi Wed Jun 26 01:31:58 2019 +-----------------------------------------------------------------------------+ | NVIDIA-SMI 430.26 Driver Version: 430.26 CUDA Version: 10.2 | |-------------------------------+----------------------+----------------------+ | GPU Name Persistence-M| Bus-Id Disp.A | Volatile Uncorr. ECC | | Fan Temp Perf Pwr:Usage/Cap| Memory-Usage | GPU-Util Compute M. | |===============================+======================+======================| | 0 GeForce GTX 760 Off | 00000000:01:00.0 N/A | N/A | | 43% 36C P8 N/A / N/A | 554MiB / 1996MiB | N/A Default | +-------------------------------+----------------------+----------------------+ +-----------------------------------------------------------------------------+ | Processes: GPU Memory | | GPU PID Type Process name Usage | |=============================================================================| | 0 Not Supported | +-----------------------------------------------------------------------------+ # cat /sys/module/nvidia_drm/parameters/modeset Y $ echo $KWIN_DRM_USE_EGL_STREAMS 1 STEPS TO REPRODUCE 1. select plasma with wayland session on SDDM 2. Log In 3. The system shows only a black screen and the mouse pointer. OBSERVED RESULT EXPECTED RESULT SOFTWARE/OS VERSIONS Windows: macOS: Linux/KDE Plasma: (available in About System) KDE Plasma Version: KDE Frameworks Version: Qt Version: ADDITIONAL INFORMATION
*** This bug has been marked as a duplicate of bug 408634 ***